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Yo-Yo Recharger for OLPCToday, I was made aware that there is now a company that makes the YoYo recharger for the $100 laptop. With this recharger, you can strap it to a tree, a pole, or a door. Pull the cord and it generates electricity. Best of all, this device will work with other electronic gadgets and mobile devices. The material cost to make this generator is about $10. I won't be surprised that Radio Shack eventually sells it for $50, which is already quite a bit over-priced. I suspect that it will revolutionize the world a tiny bit. The general masses will probably pick up one of these generators just so that they can "save on electricity". In fact, I probably buy one too . . . if they don't jack up the price to $100, $200, or more. But I have to wonder how many people would actually realize that just because you are generating the energy by hand, doesn't mean that the energy is free. It's coming out of your own body, meaning you have a supplement it with more food and water. Or at least it might serve as a good weight-loss program. So the question is, is the food more costly or cheaper than the electricity supplied at the AC outlet? Chieh Cheng
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